Extracting apparatus.



PATENTED MAY 12 1 To.887,268.v

J E PORTER & A L CLARK BXTRAGTING APPARATUS. APPLICATION rum) FEB. 27. 1907.

2 SHEETS-SHEET l.

Inventor;

W 06; 3: by MM444 zm/w I Atfyai- No. v887,268. PATENTED MAY 12, 1908.

' J. B. PORTER & A. L; CLARK.

BXTRAGTING APPARATUS. APPLICATION FILED 1'23. 27, 1907.

Mum's-sum z.

- Attys.

z z fi vlnventgg u UNITED s'rA'rEs PATENT OFFICE.

JAMES EDWARD PORTER, OF SYRACUSE, AND ARTHUR Ll- CLARK, OF NEW YORK. N. Y., AS- SIGNORS TO THE JUST-MINING EXTRACTION OHPANY, A CORPORATION OF NEW YORK.

T 0 all whom it may concern.

Be it known that we, JAMES E. Poa'rna, a citizenof United States, and resident of Syracuse, New York, and ARTHUR L. CLARK, a citizen of United States, and residentof the borough of Manhattan, city, county, and State of N ew York, have invented certain new and useful Improvements in Extracting Apparatus, of which the following is a specification, accompanied by drawings.

Tlns mvention relates to efiiciency thereof.

Further objects of the invention will hereinafter appear-and to these .ends the invention consists of apparatus for carrying out the above objects embodying the features of construction, combinations of elements, and arrangement of parts having the general mode of operation substantially as hereinafter fully described and claimed in this specif cation and shown in the'accompanying drawings, in which,

Figure 1 is a partial sectional side elevation of apparatus embodying the invention on the line 1-1 of Fig. 3. Fig. 2 is a partial sectional elevation of the apparatus on the line 22' of Fig. 3; Fig. 3 is a to plan view of the apparatus; Fig. 4 is an enlii cylinders of the a )paratus; Fig. 5 is a diagrammatic view 1 ustrating the apparatus.

Referring to the drawin s, A represents a suitable tank, which may' e constructed of wood or metal as desired. Inthis instance the tank is shown as constructed of wood.

Any suitable construction may be provided provided with a flaring u vent the material from bo1 ng over.

Specification of Letters Patent.

Improvements in extracting apparatus, more particularly toapparatus for agitating, extracting and filterrged Jdetail vertical sectional view taken through one of the Patented May 12, 908.

Application filed February 27, 1907. Serial No. 359,658.

l I The tank is provided with a rigid false 1 bottom C of suitable porous material, as for instance earthenware or material from which iporous cylinders are made. Any suitable l orous mineral septum may be used'for a false i iiottom C, through which air and liquid maybe i forced or sucked as desired. l false bottom .0 is constructed of slabs supported from the sides of the tank in any suitable manner, as by means of the angle irons D and sup orted at the meeting edges or joining sur aces of the slabs by means of brackets E, carried upon the bottom F of the tank and secured thereon in any suitable manner. Preferably metal straps (i are arranged above and below the meeting edges of the plates forming the false bottom O, and bolts l'l pass through the straps and the brackets E. Means are prmidod for forcing air into the space l between the bot tom F and the false bottom C or for causing suction underneath the false bottom in this instance pipes J being provided branching from the main pipe K, said branch pipes either extending through the bottom I? or tomlminicating with the aptu'turcs therein. If desired liquid, as water or a solution. of any character may be forced through the pipes K and J.

the tank A. These cylinders 11 re preferably constructed as indicated in Fig. 4-, in which the porous cylinder 0 of suitable material, as instance earthenware, is secured in a collar Pwhich is screwed on to the head or casting Q, in turn carried on to the screw threaded end of the pipe It. As many of the porous cylinders and supporting devices are provided as desired, and preferably the cylinders are arranged in staggered form, as indicated in Fig. 3. Preferably the distances between centers of the cylinders are all submum effect in the tank. Also suitably screwed or otherwise secured to the head or substantially the full inside length of "the cylinder and open at the bottom near the inner bottom of the cylinder. ders are providednrith the pipes S,-which may ditlei fihtlength. The head or casting cylinder is shown hollow, being providedwith the passageway T, so that a continuous Means are provided. for'raising and lower mg the porous cylinders O out of and into stantially equal, thereby obtaining a'maxi' castingQ of a cvlinder is a pipe S extem'ling All of the cylinbe removed as desired and re )laeed hi )i )es of U I ll As shown, the

SOv

passage is formed by the pipes R, passages T and the pipes S. The pipesRall connectwith brancqlpiges' U,.leading to longitudinal main pipes om which air pressure or suction or water or solution may be supplied. The main ipes V communicate with a cross pipe W, W rich in turn leads to the vacuum tank or air pressure receiver. The longitudinal pripes V are sup orted in suitable cradles X-- om the cross eams Y, which in turn are carried by the side beams Z on the angle irons a. Any suitable'construction may be provided for the frame carrying the piping,

whereby the frame may be ralsed and lowinvention.

As shownfvertical standards or uprights c are provided extending upwardly ,from

the tank forming ways for guiding the cross beams Y and side beams Z of the frame workand means are provided for raising and lowering the frame work, in this instance ro es or chains (1 being shown extending over pu lleys e. These ropes or chains may be provided with counterweights or connected to suitable engines or motors.

Preferably means are provided .for heating the mass undergoing cyanidation or other I treatment, and in this instance a steam coil is rovided com rising the i es f extending ba dk and forth iver the area. df the tank between the rows, of cylinders O, and vertical pipes g and it lead upwardly from the horizontal pipes f to conduct the steam to the coil and carry off the exhaust steam. Means are also provided for raising and lowering the steam pipes, in this instance chains or ropes '0,

being provided carried over the pulleys 7 and attached to counterweights or ada ted to be operated by a motor or engine. referably braces 7c are provided between the pipes R to keep them from swaying. Any suitable braces may be provided for the remainderof the tank and a paratus. Preferably there is a gate 0 for t e flushing out opening p at the lower portion of the tank. 1

In the 0 eration of the apparatus, let it be assumed t at dry crushed ore is to be cyanided in our apparatus. To the tank'A is first. added a certain quantityof water, less than the total amount required for the operation and the steam ,coil's f are lowered into the water, and steam' is turned through the coils to commence the heating. The agitasolution is brought up1 tion of the liquid is also commenced by turn-.

ing on air ressure into the pipes K and J leading un erneath the false bottom C. The compressed air is forced through the porous false bottom and asses into and through the liquid in finely divided streams, or in other words the'air 1s atomized as it were by means I of the mineral septum, and in passing into the liquid keeps the same in constant and gentle agitation throughout. The cylinders 0 having been lowered into osition-.in the tank, the ore to be treated is c iarged into the tank by degrees. While the ore is being charged in, the air pressure is turned on in the pipes W, V, U and R, thereby forcing air out through the porous. cylinders 0- into the mass. The li uid isalso agitated by the air passing throug the porous false bottom and the porous cylinders, thereby keeping the finely divided material in a state of suspension. The air emerges from the rigid orous mineral material in the form of even y dis? tributed, excessively minute bubbles and the presence of a constant succession of these minute ascending bubbles in every portion of the mass keeps the fine particles of ore in suspension, permitting no packing or clogging and insuring that each individual ticle shall be constantly in contact Wit a jacketing layer of thoroughly aerated liquid.

Next the desired quantity of alkaline earth oxid is added to the material in the tank sufficient to neutralizeany acidity in the ores. If the ore is of such a nature that 'it can be ground wet to alkalinity this is not necessary. At the end of-about one-halfan hour,

more or less, the material-in the tank will, be heated up to the desired degree, which would be about 190 degrees F. and the acidity will be removed; The calculated amount of cyanid is then added to themass and the to the required volume and strength in t addition of water if required. he' agitation and heating are continued for about five hours the initial strength of thesolution being about one-fourth percent. of potassium cyanid. The heat is degrees F.

At the end of maintained about 190 tenths percent. of potassium cyanid by the about five hours, the solution in the tank is strengthened to aboutsixe tank b the further additionof more cyanid, and the agitation and heating are continued from about 10 to about 15 hours longer. Constant bulk may be maintained by theoccasional addition-of fresh Water; At certain stages of the opera' tions alkaline earth oxid or peroxidis added for two reasons, first, to neutralize any carbonic' acid that might be present or have been formed, or that contained in the "injected air; secondly, to produce a coagulating or-flocculating effect and-maintain the said effect throughout the treatment, not allowv.

ing any resolution of the alkaline earth com-' Preferably P during the -treatment.'

iao

At the end of the agitation period the steam coils are raised from the bottom of the tank to an elevated position. Agitation is continuedthrough the false bottom 0 while the a r pressure is withdrawn from the cylinders and suction applied through the piping, thereby filtering the solution through the porous cylinders O. By maintaining the air pressure through the false bottom C while suctlon is appl ed to the interior of the cylinders O, the hltermg operations are very greatly aided and made more efficient, be-

cause the agltation of the mass by the airrising from the false bottom causes the slimes-to-become thoroughly mixed and prevents them from stratifying, packing, or adhering tightly on the porous-cylinders during filtration. This is-one of the great advan tages of the apparatus owing to which very much more rapid liltratiou and ellicient results are produced than in any other apparatus hitherto devised. Furthermore the upward air currents through the mass keep the liquid circulating or splashing over the entire sides of the cylinders so that stead of having air only sucked through the upper portions of the cylinders, thus losing the vacuum effect, the entire mass undergoes filtration. The mass is therefore fOlCQ-(i up on the sides of the cylinders instead of leav ing the upper portions of the cylinders bare. After the agitation and suction have been continued for the desired time, more water is added to the tank and the suction is continued with agitation through the bottom,

thereby removing the valuable solutions which remain in the mass after the first filtration. The agitation stirs up the material in the bottom of the tank and forces it up around the sides of the cylinders.

Another way of treating the mass after the first filtration is to force Water outwardly through the porous cylinders O fromthe interior through'the piping, thereby cleaning the surfaces of the cylinders. When the desired amount of water has been forced into the tank the water pressure is removed, and the whole system of cylinders and piping is raised out of the tank, and any suitable form of mechanical agitator lowered in the mass in the tank and operated to agitate the mass mechanically thereby breaking up any lumps that may have remained. At thesame time air is continued to be forced through the porous false bottom C to agitat g the mass and aid in breaking up the particles therein.

mechanical agitator is removed and the por- After the particles are all broken up and in suspension in the SOllltlOIl the repeated as often as necessary to remove the valuable solutions. Finally the pressure in the pipes K and J at the bottom of the tank is removed and suction applied -to said pipes, thereby filtering the remaining solution through the porous false bottom (1 and thus recovering the lost portions of the valuable solutions.

In Fig. 5, compressed air is supplied from tank 1 to either the cylinders O in the tank A, or beneath the false bottom (I, or to both at the same time. 2 represents a vacuum tank by means ofwhich a vacuum may be applied to the cylinders through the re.- ceiver 3 or applied to the bottom C through the receiver 4, or to both at once. Water or solution may be, supplied to the cylinders O or to the bottom (1, or to both from the tank 5. Suitable piping and valves are provided for carrying out these objects. The air pressure tank 1 is connected by pipe 6 with pipe 7, which in-tu'rn connects with the supplypipe W and with the receiver 3. Air tank 1 is also connected by pipe 8 with pipe. 9 which leads to receiver 10, and pipe 11 connects pipe 8 with Water tank 5. Said water tank is also connected by pipe ill-with pipe- NV. The vacuum tank 2 is connecled by .pipes 13 and l4;with.receivers 3 and 4 re without enumerating equivalents, we claim and desire to obtain by Letters Patent the,

following:-

1. The combination of a tank having a porous bottom, means for forcing air through said bottom, porous cylinders adapted to be raised and lowered out of and into said tank, means for raising and lowering said cylinders, and ineans for forcing air through said cylinders. y

2. The combination of a tank having a porous bottom, comprising a mineral septum, means for applying air pressure and suction to said porous septum, porous cylinders of mineral material adapted to be raised and lowered'out of and into said tank, means for raising and lowering said cylinders, and means for applying airpressure and suction to said cylinders.

3. The combinatiorfof a tank having a porous bottom, means for forcing air through said tank.

5. The combination of a tank having a porous bottom, means for forcing air through said bottom, porous cylinders adapted to be raised and lowered out of and intp said tank. means for raisingand lowering said-cylinders, means for forcing air through said cylinders, heating coils for said tank, and means for raising and lowering said coils intosaid tank.

6. The combination of a tank having a porous bottom, comprising a mineral septum, means for applying air pressure and suction to said porous septum, porous cylinders of mineral material adapted to be raised and lowered out of and into said tank, means for raising and lowering said cylinders, means for applying air pressure and suction to said cyl-.

mders, heating coils for said tank, and means for raising and lowering said coils into said tank.

7. The combination of a tank having a porous bottom, means for forcing air through e said bottom, porous cylinders adapted. to

raised and lowered out of and into said tank, means for raising and lowering said cylinders, means for forcing air, through said cylinders, heating coils for said tank, and means for raising and lowering said coils into said tank independently of the movement of the pore ous cylinders. I

8. The combination of a tank having a porous bottom, comprising a mineral septum,

means for applying air pressure and suction to said porous septum, porous cylinders of mineral material adapted to be raised and lowered out ofand into said tank, means for "raising and lowering said cylinders, means for applying air pressure and suction to said cylinders, heating coils for said tank, and

means for-raising and lowering said coils into 881d tan-k independently of the movement of the porous cylinders.

'9.-The combination of a tank having a porous bottom, consistin of acid and alkali resisting mineral materia meansfor applya ing air pressure and suction to said bottom,

' porous cylinders consisting of. acid and alkali .60 resisting mineral material, adapted to be raised and lowered out of and into said tank, means for! ralsmg and lowering said cylinders and means "for ap lying air pressure and suction to said cylin ers. 10. The combination of a tank having a means for ap such bottom into the tank.

porous bottom, consisting of acid and alkali resisting mineral material, means for applying air pressure and suction to saidbottom porous .cylinders consisting of acid and alkali resisting mineral material, adapted to be raised and lowered out of and into said tank,

means for raisingand lowering said cylinders, means for applying air pressure and suction to said cylinders, and means for applying heat to said tank.

11. The combination of atank having a porous bittom, consistin of acid and alkali resisting eral materla means for applying air pressure-and suction to said bottom,-

porous cylinders consisting of acid and alkali resisting mineral material, adapted to be raised and lowered out of and into said tank, means for raising and lowerlng said cylm-' ders, means tor applying an pressure andsuction to said cylinders, heatingv coils adapted to be raised and lowered out of and into said tank, and means for raising and lowering said coils.

' 12. The combination of a tank having a porous bottom, consistin of acid and alkali resisting mineral materia means for applying air pressure andsuction to said bottom, porous cylinders consisting of acid and alkali resisting mineral material, adapted to' be raised and lowered out of and into said tank, means for raising and lowering said cylin- .ders, means for applying air pressure and suction to said cylinders, heating coils.

adapted to be raised and lowered out of and into said tank, and means for raisin and lowering said coils independently o the movement of the porous cylinders.

13. The combination of a tankhaving a bottom, a porous false bottom over said first named bottom, means for applying air pressure and suction to the chamber between said bottoms, porous cylinders adapted to be raised out of and lowered into the tank, means for operating said cylinders, means for heating the material within the tank, and

to said cylin ers.

14. Ap aratus for cyaniding ore co PIIS- lying air pressure and suctioning a tan having a rigid bottom of orous 1 material and means for forcing air through such bottom into the tank.

15. Apparatus for cyaniding ore comprisinga tan having a rigid bottom of porous material and means for applying air pressure and suction to said bottom.

16. Ap aratus for cyanidin ore comprising a tan having a rigid fa se bottom of orous mineral material and means for forcmg air through such bottom into the tank. 17. Apparatus for cyaniding ore comprising a tan mineral material, heatm coils arranged-in said tank and means'for %o i 18. Apparatus for cyaniding ore comprise having a rigid bottom of porousrcing air through" ing a tankhaving a bottom of porous mineral material, heating coils arranged in said tank near the bottom of said tank, and means for forcing air through said bottom into the tank.

19. A paratus for cyaniding ore comprising'a tan having a bottom of porous mineral material, orous mineral cylinders arranged in said tan and means forforcing air through said porous bottom and through said porous I cylinders.

20. A paratus for cyaniding ore comprising a tan having a bottom of porous mineral material, porous mineral cylinders arranged in said tank and means for applying air prescylinders.

sure and suction to said porous bottom and said porous cylinders.

21. Apparatus for cyaniding ore comprising a tank having a bottom of porous mineral material, porous mineral cylinders arranged in said tank, heating coils also arranged in 7 said tank and means for forcing air through sald porous bottom and through said porous 22. A paratus for cyaniding ore comprising a tan having a bottom of porous mineral material, cylinders comprising a hollow porous mineral septum arranged in said tank, 1

through said porous bottom and through said cylinders.

'In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

' JAMES EDWARD PORTER;

ARTHUR L. CLARK.

Witnesses as to signature of James Edward Porter:

- F. E. ENGELHARDT,

STUART O. HEMINGWAY..

Witnesses as to signature of Arthur L. Clark:

FREDERICK W. ERB, FRANK C. EBB. 

